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- XR21 vs X100 Ultra
HMD XR21 vs Vivo X100 Ultra
What XR21 does better (3) and where X100 Ultra wins (24) — every spec side by side.
vs
5.7Display9.0
6.9Camera9.7
4.3Battery7.8
9.5Features9.7
Dimensions
Size comparison
XR21X100 Ultra
| XR21 | X100 Ultra | Difference | |
|---|---|---|---|
| Height | 168 mm | 164.1 mm | +3.9 mm |
| Width | 78.6 mm | 75.6 mm | +3 mm |
| Thickness | 10.5 mm | 9.2 mm | +1.3 mm |
| Weight | 231 g | 229 g | +2 g |
Drawn to the same scale from the official dimensions (front and side).
Why is XR21 better than X100 Ultra?
- Main camera64 MP vs 50 MP+28%
- eSIMYes · X100 Ultra: No
- 3.5 mm headphone jackYes · X100 Ultra: No
Why is X100 Ultra better than XR21?
- RAM6 GB vs 16 GB2.7×
- Wired charging33 W vs 80 W2.4×
- Peak brightness550 nits vs 3,000 nits5.5×
- Storage (max)128 GB vs 1,024 GB8×
- OLED panelNo · XR21: Yes
- Optical stabilisationNo · XR21: Yes
- Telephoto cameraNo · XR21: Yes
- Wireless chargingNo · XR21: Yes
- Battery capacity4,800 mAh vs 5,500 mAh+15%
- CPU frequency2.2 GHz vs 3.3 GHz+50%
- Selfie camera16 MP vs 50 MP3.1×
- Pixel density406 ppi vs 517 ppi+27%
Specifications
Side by side
| Design | ||
| Weight | 231 g | 229 g |
| Thickness | 10.5 mm | 9.2 mm |
| Height | 168 mm | 164.1 mm |
| Width | 78.6 mm | 75.6 mm |
| Frame | Plastic | Aluminium |
| Back | Plastic | Glass |
| Ingress protection | IP68 | IP69 |
| Water resistance (IPx) | IPx8 | IPx9 |
| Glass protection | Corning Gorilla Glass Victus | — |
| Colours | Midnight Black | Titanium, White, Grey |
| Display | ||
| Screen size | 6.5″ | 6.8″ |
| Panel | IPS LCD | LTPO AMOLED |
| OLED panel | No | Yes |
| LTPO (adaptive 1–120 Hz) | — | Yes |
| Resolution (width) | 1,080 px | 1,440 px |
| Resolution (height) | 2,400 px | 3,200 px |
| Pixel density | 406 ppi | 517 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 550 nits | 3,000 nits |
| Measured brightness | — | 1,801 nits |
| Screen-to-body ratio | 77% | 89.8% |
| HDR | — | Yes |
| Performance | ||
| Chipset | Qualcomm SM6375 Snapdragon 695 5G | Qualcomm SM8650-AB Snapdragon 8 Gen 3 |
| Chip maker | Qualcomm | Qualcomm |
| Process | 6 nm | 4 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.2 GHz | 3.3 GHz |
| GPU | Adreno 619 | Adreno 750 |
| AnTuTu score | — | 2,152,790 |
| Geekbench 6 (multi-core) | — | 6,311 |
| 3DMark Wild Life Extreme | — | 4,934 |
| Memory | ||
| RAM | 6 GB | 16 GB |
| Storage (max) | 128 GB | 1,024 GB |
| Storage (base) | 128 GB | 256 GB |
| Storage type | — | UFS 4.0 |
| Memory card slot | No | No |
| Camera | ||
| Main camera | 64 MP | 50 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| Main sensor size | 1/2.0" | 1/0.98" |
| Rear cameras | 2 | 2 |
| Optical stabilisation | No | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | Yes |
| Optical zoom | — | 3.7× |
| Max video | 1080p | 8K |
| 4K video frame rate | — | 120 fps |
| Selfie camera | 16 MP | 50 MP |
| 4K selfie video | No | Yes |
| Battery | ||
| Battery capacity | 4,800 mAh | 5,500 mAh |
| Battery type | Li-Po | Si/C |
| Active use (test) | — | 12.9 h |
| Wired charging | 33 W | 80 W |
| Charged in 30 min | — | 65% |
| Wireless charging | No | Yes |
| Wireless charging power | — | 30 W |
| Reverse wireless charging | — | Yes |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | Yes | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6 | Wi-Fi 7 |
| Bluetooth | 5.1 | 5.4 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C 3.2 |
| USB version | 2 | 3.2 |
| Video output | — | Yes |
| Satellite messaging | — | Yes |
| Infrared port | — | Yes |
| Dual-band GPS | Yes | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS, NavIC | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | Yes | No |
| Loudspeaker loudness | — | -26.2 LUFS |
| Fingerprint sensor | Side | Under display, ultrasonic |
| Barometer | Yes | — |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass |
| Software | ||
| OS at launch | Android 12 | Android 14 |
| Platform | Android | Android |
| Interface | — | OriginOS 5 |
